Sigma rule: HackTool - SharpEvtMute Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-298d38757812, updated 2023-02-14T00:00:00.000Z.

Rule

Title
HackTool - SharpEvtMute Execution
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2022-09-07
Modified
2023-02-14
File
rules/windows/process_creation/proc_creation_win_hktl_sharpevtmute.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the use of SharpEvtHook, a tool that tampers with the Windows event logs

Log source

product
windows
category
process_creation

Detection

selection:
    - Image|endswith: '\SharpEvtMute.exe'
    - Description: 'SharpEvtMute'
    - CommandLine|contains:
          - '--Filter "rule '
          - '--Encoded --Filter \"'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.defense-impairment
  • attack.t1685.001

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_hktl_sharpevtmute.yml

Sources and licences

  • SigmaHQ

    "HackTool - SharpEvtMute Execution" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_hktl_sharpevtmute.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: HackTool - SharpEvtMute Execution",
entity page, dataset version ref-298d38757812, updated 2023-02-14T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/bedfc8ad-d1c7-4e37-a20e-e2b0dbee759c (accessed 2026-11-03).
Underlying source: SigmaHQ rule bedfc8ad-d1c7-4e37-a20e-e2b0dbee759c, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.